2e - Photosynthesis Flashcards

1
Q

What is the word and balanced symbol equation for photosynthesis?

A

Carbon dioxide + water —> glucose + oxygen

6CO2 + 6H20 —> C6H12O8 + 602

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is photosynthesis?

A

A chemical reaction in the chloroplasts which uses light energy to convert water and carbon dioxide into glucose and oxygen.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How is glucose stored in the leaf ?

A

As starch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the waxy cuticle?

A

Transparent, waxy, waterproof layer to help reduce water loss by evaporation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the palisade layer?

A

A tissue located at the top of the leaf which is the main site for photosynthesis made of long, narrow cells packed with chloroplasts.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the Spongey mesophyll?

A

Main gas exchange surface of the leaf which absorbs CO2 and releases o2 and water vapour. Contains intercellular spaces to allow diffusion of gases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the upper epidermis ?

A

Relatively transparent layer which allows light to pass though to the palisade layer below.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the lower epidermis ?

A

Layer which has many stomata to allow CO2 to diffuse in and o2 and water Vapour out.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the factors which affect the rate of photosynthesis ?

A

Light intensity
carbon dioxide concentration
temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does it mean if the rate of photosynthesis on the graph starts to level off?

A

Some other factor is limiting the photosynthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the role of the xylem?

A
  • carries water and mineral salts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does a xylem have instead of a cytoplasm?

A

A lumen through which water passes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the role of the phloem?

A
  • transports sugars e.g. Sucrose and amino acids
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the movement of substances around the plant known as?

A

Translocation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly